This is generally from narrowing/blockage of the arteries to the back of the brain.
Symptoms of this can vary, but often include dizziness, difficulty using an arm, loss of sensation of face/arm/leg. It is treated with antiplatelet medications (eg. Aspirin, plavix, (clopidogrel) aggrenox), controlling cholesterol, blood pressure, diabetes, cessation of tobacco use, and in some cases placing a stent.
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